東京大学総長賞（2016年）受賞研究をまとめた博士論文をもとに書籍化。New in paperback. Hardcover was published in 2020. This book explains the concept, framework, implementation, and evaluation of controlled document authoring in this digital age. With a specific focus on Japanese municipal documents, the book establishes a framework for controlled document authoring by integrating various research topics including document analysis, controlled language, and terminology management, It then presents the development and evaluation of an authoring suport system, MuTUAL.